1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.journalcontent.action;
24  
25  import com.liferay.portal.kernel.language.LanguageUtil;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portal.kernel.util.ParamUtil;
28  import com.liferay.portal.kernel.util.StringPool;
29  import com.liferay.portal.kernel.util.Validator;
30  import com.liferay.portal.struts.PortletAction;
31  import com.liferay.portal.theme.ThemeDisplay;
32  import com.liferay.portal.util.WebKeys;
33  import com.liferay.portlet.journal.model.JournalArticleDisplay;
34  import com.liferay.portlet.journalcontent.util.JournalContentUtil;
35  import com.liferay.util.portlet.PortletRequestUtil;
36  
37  import javax.portlet.PortletConfig;
38  import javax.portlet.PortletPreferences;
39  import javax.portlet.RenderRequest;
40  import javax.portlet.RenderResponse;
41  
42  import org.apache.struts.action.ActionForm;
43  import org.apache.struts.action.ActionForward;
44  import org.apache.struts.action.ActionMapping;
45  
46  /**
47   * <a href="ViewAction.java.html"><b><i>View Source</i></b></a>
48   *
49   * @author Brian Wing Shun Chan
50   * @author Raymond Augé
51   */
52  public class ViewAction extends PortletAction {
53  
54      public ActionForward render(
55              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
56              RenderRequest renderRequest, RenderResponse renderResponse)
57          throws Exception {
58  
59          PortletPreferences prefs = renderRequest.getPreferences();
60  
61          ThemeDisplay themeDisplay = (ThemeDisplay)renderRequest.getAttribute(
62              WebKeys.THEME_DISPLAY);
63  
64          long groupId = ParamUtil.getLong(renderRequest, "groupId");
65  
66          if (groupId < 1) {
67              groupId = GetterUtil.getLong(
68                  prefs.getValue("group-id", StringPool.BLANK));
69          }
70  
71          String articleId = ParamUtil.getString(renderRequest, "articleId");
72          String templateId = ParamUtil.getString(renderRequest, "templateId");
73  
74          if (Validator.isNull(articleId)) {
75              articleId = GetterUtil.getString(
76                  prefs.getValue("article-id", StringPool.BLANK));
77              templateId = GetterUtil.getString(
78                  prefs.getValue("template-id", StringPool.BLANK));
79          }
80  
81          String languageId = LanguageUtil.getLanguageId(renderRequest);
82  
83          int page = ParamUtil.getInteger(renderRequest, "page", 1);
84  
85          String xmlRequest = PortletRequestUtil.toXML(
86              renderRequest, renderResponse);
87  
88          JournalArticleDisplay articleDisplay = null;
89  
90          if ((groupId > 0) && Validator.isNotNull(articleId)) {
91              articleDisplay = JournalContentUtil.getDisplay(
92                  groupId, articleId, templateId, languageId, themeDisplay,
93                  page, xmlRequest);
94          }
95  
96          if (articleDisplay != null) {
97              renderRequest.setAttribute(
98                  WebKeys.JOURNAL_ARTICLE_DISPLAY, articleDisplay);
99          }
100         else {
101             renderRequest.removeAttribute(WebKeys.JOURNAL_ARTICLE_DISPLAY);
102 
103             // Don't decorate this portlet if there is no content. This will
104             // prevent end users from seeing empty portlets from expired
105             // articles. Administrators can still see the portlet and either
106             // remove the portlet or select a new article.
107 
108             renderRequest.setAttribute(WebKeys.PORTLET_DECORATE, Boolean.FALSE);
109         }
110 
111         return mapping.findForward("portlet.journal_content.view");
112     }
113 
114 }